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        <li class="chapter " data-level="1.1" data-path="../">
            
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                    Introduction
            
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        <li class="chapter " data-level="1.2" data-path="../meet_qt_5/">
            
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                    Qt5概述
            
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                    序
            
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                    Qt5介绍
            
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                    Qt构建模块（Qt Building Blocks）
            
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                    Qt项目（Qt Project）
            
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        <li class="chapter " data-level="1.3" data-path="../get_start/">
            
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                    开始学习（Get Start）
            
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        <li class="chapter " data-level="1.3.1" data-path="../get_start/qt5installing_qt_5_sdk.html">
            
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                    安装Qt5软件工具包（Installing Qt 5 SDK）
            
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                    你好世界（Hello World）
            
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                    应用程序类型（Application Types）
            
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                    总结（ Summary）
            
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                    Qt Creator集成开发环境（Qt Creator IDE）
            
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                    用户界面（The User Interface）
            
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                    注册你的Qt工具箱（Registering your Qt Kit）
            
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        <li class="chapter " data-level="1.4.3" data-path="../qt_creator_ide/managing_projects.html">
            
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                    项目管理（Managing Projects）
            
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        <li class="chapter " data-level="1.4.4" data-path="../qt_creator_ide/using_the_editor.html">
            
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                    使用编辑器（Using the Editor）
            
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                    定位器（Locator）
            
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        <li class="chapter " data-level="1.4.6" data-path="../qt_creator_ide/debugging.html">
            
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                    调试（Debugging）
            
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        <li class="chapter " data-level="1.4.7" data-path="../qt_creator_ide/shortcuts.html">
            
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                    快捷键（Shortcuts）
            
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        <li class="chapter " data-level="1.5" data-path="../quick_starter/">
            
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                    QML快速入门（Quick Starter）
            
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        <li class="chapter " data-level="1.5.1" data-path="../quick_starter/qmlqml_syntax.html">
            
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                    QML语法（QML Syntax）
            
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                <a href="../quick_starter/basic_elements.html">
            
                    
                    基本元素（Basic Elements）
            
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        <li class="chapter " data-level="1.5.3" data-path="../quick_starter/compontents.html">
            
                <a href="../quick_starter/compontents.html">
            
                    
                    组件（Compontents）
            
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        <li class="chapter " data-level="1.5.4" data-path="../quick_starter/simple_transformations.html">
            
                <a href="../quick_starter/simple_transformations.html">
            
                    
                    简单的转换（Simple Transformations）
            
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        <li class="chapter " data-level="1.5.5" data-path="../quick_starter/positioning_element.html">
            
                <a href="../quick_starter/positioning_element.html">
            
                    
                    定位元素（Positioning Element）
            
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        <li class="chapter " data-level="1.5.6" data-path="../quick_starter/layout_items.html">
            
                <a href="../quick_starter/layout_items.html">
            
                    
                    布局元素（Layout Items）
            
                </a>
            

            
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        <li class="chapter " data-level="1.5.7" data-path="../quick_starter/input_element.html">
            
                <a href="../quick_starter/input_element.html">
            
                    
                    输入元素（Input Element）
            
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        <li class="chapter " data-level="1.5.8" data-path="../quick_starter/advanced_techniques.html">
            
                <a href="../quick_starter/advanced_techniques.html">
            
                    
                     高级用法（Advanced Techniques）
            
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        </li>
    
        <li class="chapter " data-level="1.6" data-path="../fluid_elements/">
            
                <a href="../fluid_elements/">
            
                    
                    动态元素（Fluid Elements）
            
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        <li class="chapter " data-level="1.6.1" data-path="../fluid_elements/animations.html">
            
                <a href="../fluid_elements/animations.html">
            
                    
                    动画（Animations）
            
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        <li class="chapter " data-level="1.6.2" data-path="../fluid_elements/states_and_transitions.html">
            
                <a href="../fluid_elements/states_and_transitions.html">
            
                    
                    状态与过渡（States and Transitions）
            
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        <li class="chapter " data-level="1.6.3" data-path="../fluid_elements/advanced_techniques.html">
            
                <a href="../fluid_elements/advanced_techniques.html">
            
                    
                    高级用法（Advanced Techniques）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.7" data-path="../model-view-delegate/">
            
                <a href="../model-view-delegate/">
            
                    
                    模型-视图-代理（Model-View-Delegate）
            
                </a>
            

            
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        <li class="chapter " data-level="1.7.1" data-path="../model-view-delegate/concept.html">
            
                <a href="../model-view-delegate/concept.html">
            
                    
                    概念（Concept）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.2" data-path="../model-view-delegate/basic_model.html">
            
                <a href="../model-view-delegate/basic_model.html">
            
                    
                    基础模型（Basic Model）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.3" data-path="../model-view-delegate/dynamic_views.html">
            
                <a href="../model-view-delegate/dynamic_views.html">
            
                    
                    动态视图（Dynamic Views）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.4" data-path="../model-view-delegate/delegate.html">
            
                <a href="../model-view-delegate/delegate.html">
            
                    
                    代理（Delegate）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.5" data-path="../model-view-delegate/advanced_techniques.html">
            
                <a href="../model-view-delegate/advanced_techniques.html">
            
                    
                    高级用法（Advanced Techniques）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.6" data-path="../model-view-delegate/summary.html">
            
                <a href="../model-view-delegate/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.8" data-path="../canvas_element/">
            
                <a href="../canvas_element/">
            
                    
                    画布元素（Canvas Element）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.8.1" data-path="../canvas_element/convenient_api.html">
            
                <a href="../canvas_element/convenient_api.html">
            
                    
                    便捷的接口（Convenient API）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.2" data-path="../canvas_element/gradients.html">
            
                <a href="../canvas_element/gradients.html">
            
                    
                    渐变（Gradients）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.3" data-path="../canvas_element/shadows.html">
            
                <a href="../canvas_element/shadows.html">
            
                    
                    阴影（Shadows）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.4" data-path="../canvas_element/images.html">
            
                <a href="../canvas_element/images.html">
            
                    
                    图片（Images）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.5" data-path="../canvas_element/transformation.html">
            
                <a href="../canvas_element/transformation.html">
            
                    
                    转换（Transformation）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.6" data-path="../canvas_element/composition_mode.html">
            
                <a href="../canvas_element/composition_mode.html">
            
                    
                    组合模式（Composition Mode）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.7" data-path="../canvas_element/pixels_buffer.html">
            
                <a href="../canvas_element/pixels_buffer.html">
            
                    
                    像素缓冲（Pixels Buffer）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.8" data-path="../canvas_element/canvas_paint.html">
            
                <a href="../canvas_element/canvas_paint.html">
            
                    
                    画布绘制（Canvas Paint）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.9" data-path="../canvas_element/html5porting_from_html5_canvas.html">
            
                <a href="../canvas_element/html5porting_from_html5_canvas.html">
            
                    
                    HTML5画布移植（Porting from HTML5 Canvas）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.9" data-path="./">
            
                <a href="./">
            
                    
                    粒子模拟（Particle Simulations）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.9.1" data-path="concept.html">
            
                <a href="concept.html">
            
                    
                    概念（Concept）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.2" data-path="simple_simulation.html">
            
                <a href="simple_simulation.html">
            
                    
                    简单的模拟（Simple Simulation）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.3" data-path="particle_parameters.html">
            
                <a href="particle_parameters.html">
            
                    
                    粒子参数（Particle Parameters）
            
                </a>
            

            
        </li>
    
        <li class="chapter active" data-level="1.9.4" data-path="directed_particle.html">
            
                <a href="directed_particle.html">
            
                    
                    粒子方向（Directed Particle）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.5" data-path="particle_painter.html">
            
                <a href="particle_painter.html">
            
                    
                    粒子画笔（Particle Painter）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.6" data-path="affecting_particles.html">
            
                <a href="affecting_particles.html">
            
                    
                    粒子控制（Affecting Particles）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.7" data-path="particle_group.html">
            
                <a href="particle_group.html">
            
                    
                    粒子组（Particle Group）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.9.8" data-path="summary.html">
            
                <a href="summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.10" data-path="../shader_effect/">
            
                <a href="../shader_effect/">
            
                    
                    着色器效果（Shader Effect）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.10.1" data-path="../shader_effect/openglopengl_shader.html">
            
                <a href="../shader_effect/openglopengl_shader.html">
            
                    
                    OpenGL着色器（OpenGL Shader）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.2" data-path="../shader_effect/shader_elements.html">
            
                <a href="../shader_effect/shader_elements.html">
            
                    
                    着色器元素（Shader Elements）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.3" data-path="../shader_effect/fragement_shader.html">
            
                <a href="../shader_effect/fragement_shader.html">
            
                    
                    片段着色器（Fragement Shader）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.4" data-path="../shader_effect/wave_effect.html">
            
                <a href="../shader_effect/wave_effect.html">
            
                    
                    波浪效果（Wave Effect）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.5" data-path="../shader_effect/vertex_shader.html">
            
                <a href="../shader_effect/vertex_shader.html">
            
                    
                    顶点着色器（Vertex Shader）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.6" data-path="../shader_effect/curtain_effect.html">
            
                <a href="../shader_effect/curtain_effect.html">
            
                    
                    剧幕效果（Curtain Effect）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.7" data-path="../shader_effect/qtqt_graphicseffect_library.html">
            
                <a href="../shader_effect/qtqt_graphicseffect_library.html">
            
                    
                    Qt图像效果库（Qt GraphicsEffect Library）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.11" data-path="../multimedia/">
            
                <a href="../multimedia/">
            
                    
                    多媒体（Multimedia）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.11.1" data-path="../multimedia/playing_media.html">
            
                <a href="../multimedia/playing_media.html">
            
                    
                    媒体播放（Playing Media）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.2" data-path="../multimedia/sounds_effects.html">
            
                <a href="../multimedia/sounds_effects.html">
            
                    
                    声音效果（Sounds Effects）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.3" data-path="../multimedia/video_streams.html">
            
                <a href="../multimedia/video_streams.html">
            
                    
                    视频流（Video Streams）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.4" data-path="../multimedia/capturing_images.html">
            
                <a href="../multimedia/capturing_images.html">
            
                    
                    捕捉图像（Capturing Images）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.5" data-path="../multimedia/advanced_techniques.html">
            
                <a href="../multimedia/advanced_techniques.html">
            
                    
                    高级用法（Advanced Techniques）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.6" data-path="../multimedia/summary.html">
            
                <a href="../multimedia/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.12" data-path="../networking/">
            
                <a href="../networking/">
            
                    
                    网络（Networking）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.12.1" data-path="../networking/httpuiserving_ui_via_http.html">
            
                <a href="../networking/httpuiserving_ui_via_http.html">
            
                    
                    通过HTTP服务UI（Serving UI via HTTP）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.2" data-path="../networking/templating.html">
            
                <a href="../networking/templating.html">
            
                    
                    模板（Templating）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.3" data-path="../networking/httphttp_requests.html">
            
                <a href="../networking/httphttp_requests.html">
            
                    
                    HTTP请求（HTTP Requests）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.4" data-path="../networking/local_files.html">
            
                <a href="../networking/local_files.html">
            
                    
                    本地文件（Local files）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.5" data-path="../networking/restrest_api.html">
            
                <a href="../networking/restrest_api.html">
            
                    
                    REST接口（REST API）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.6" data-path="../networking/authentication_using_oauth.html">
            
                <a href="../networking/authentication_using_oauth.html">
            
                    
                    使用开放授权登陆验证（Authentication using OAuth）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.7" data-path="../networking/engine_io.html">
            
                <a href="../networking/engine_io.html">
            
                    
                    云服务（Engine IO）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.8" data-path="../networking/web_sockets.html">
            
                <a href="../networking/web_sockets.html">
            
                    
                    Web Sockets
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.9" data-path="../networking/summary.html">
            
                <a href="../networking/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.13" data-path="../storage/">
            
                <a href="../storage/">
            
                    
                    存储（Storage）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.13.1" data-path="../storage/settings.html">
            
                <a href="../storage/settings.html">
            
                    
                    配置（Settings）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.2" data-path="../storage/local_storage_-_sql.html">
            
                <a href="../storage/local_storage_-_sql.html">
            
                    
                    本地存储 - SQL（Local Storage - SQL）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.3" data-path="../storage/other_storage_apis.html">
            
                <a href="../storage/other_storage_apis.html">
            
                    
                    其它存储接口（Other Storage APIs）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.14" data-path="../dynamic_qml/">
            
                <a href="../dynamic_qml/">
            
                    
                    动态QML（Dynamic QML）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.1" data-path="../dynamic_qml/loading_components_dynamically.html">
            
                <a href="../dynamic_qml/loading_components_dynamically.html">
            
                    
                    动态加载组件（Loading Components Dynamically）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.1.1" data-path="../dynamic_qml/connecting_indirectly.html">
            
                <a href="../dynamic_qml/connecting_indirectly.html">
            
                    
                    间接连接（Connecting Indirectly）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.1.2" data-path="../dynamic_qml/binding_indirectly.html">
            
                <a href="../dynamic_qml/binding_indirectly.html">
            
                    
                    间接绑定（Binding Indirectly）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.14.2" data-path="../dynamic_qml/creating_and_destroying_objects.html">
            
                <a href="../dynamic_qml/creating_and_destroying_objects.html">
            
                    
                    创建与销毁对象（Creating and Destroying Objects）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.2.1" data-path="../dynamic_qml/dynamically_loading_and_instantiating_items.html">
            
                <a href="../dynamic_qml/dynamically_loading_and_instantiating_items.html">
            
                    
                    动态加载和实例化项（Dynamically Loading and Instantiating Items）
            
                </a>
            

            
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        <li class="chapter " data-level="1.14.2.2" data-path="../dynamic_qml/dynamically_instantiating_items_from_text.html">
            
                <a href="../dynamic_qml/dynamically_instantiating_items_from_text.html">
            
                    
                    从文本中动态实例化项（Dynamically Instantiating Items from Text）
            
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                    管理动态创建的元素（Managing Dynamically Created Elements）
            
                </a>
            

            
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                    跟踪动态对象（Tracking Dynamic Objects）
            
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                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
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                <a href="../javascript/">
            
                    
                    JavaScript
            
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        <li class="chapter " data-level="1.15.1" data-path="../javascript/browserhtml_vs_qtquickqml.html">
            
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                    浏览器/HTML与QtQuick/QML对比（Browser/HTML vs QtQuick/QML）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.2" data-path="../javascript/the_language.html">
            
                <a href="../javascript/the_language.html">
            
                    
                    JavaScript语法（The Language）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.3" data-path="../javascript/js_objects.html">
            
                <a href="../javascript/js_objects.html">
            
                    
                    JS对象（JS Objects）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.4" data-path="../javascript/creating_a_js_console.html">
            
                <a href="../javascript/creating_a_js_console.html">
            
                    
                    创建JS控制台（Creating a JS Console）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16" data-path="../qt_and_c++/">
            
                <a href="../qt_and_c++/">
            
                    
                    Qt and C++
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.1" data-path="../qt_and_c++/a_boilerplate_application.html">
            
                <a href="../qt_and_c++/a_boilerplate_application.html">
            
                    
                    演示程序（A Boilerplate Application）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.2" data-path="../qt_and_c++/the_qobject.html">
            
                <a href="../qt_and_c++/the_qobject.html">
            
                    
                    Qt对象（The QObject）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.3" data-path="../qt_and_c++/build_systems.html">
            
                <a href="../qt_and_c++/build_systems.html">
            
                    
                    编译系统（Build Systems）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.3.1" data-path="../qt_and_c++/qmake.html">
            
                <a href="../qt_and_c++/qmake.html">
            
                    
                    QMake
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.3.2" data-path="../qt_and_c++/cmake.html">
            
                <a href="../qt_and_c++/cmake.html">
            
                    
                    CMake
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16.4" data-path="../qt_and_c++/common_qt_classes.html">
            
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                    Qt通用类（Common Qt Classes）
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.4.1" data-path="../qt_and_c++/qstring.html">
            
                <a href="../qt_and_c++/qstring.html">
            
                    
                    QString
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.4.2" data-path="../qt_and_c++/sequential_containers.html">
            
                <a href="../qt_and_c++/sequential_containers.html">
            
                    
                    顺序容器（Sequential Containers）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.4.3" data-path="../qt_and_c++/associative_containers.html">
            
                <a href="../qt_and_c++/associative_containers.html">
            
                    
                    组合容器（Associative Containers）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.4.4" data-path="../qt_and_c++/file_io.html">
            
                <a href="../qt_and_c++/file_io.html">
            
                    
                    文件IO（File IO）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16.5" data-path="../qt_and_c++/models_in_c++.html">
            
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                    C++数据模型（Models in C++）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.5.1" data-path="../qt_and_c++/a_simple_model.html">
            
                <a href="../qt_and_c++/a_simple_model.html">
            
                    
                    一个简单的模型（A simple model）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.5.2" data-path="../qt_and_c++/more_complex_data.html">
            
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                    更复杂的数据（More Complex Data）
            
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        <li class="chapter " data-level="1.16.5.3" data-path="../qt_and_c++/dynamic_data.html">
            
                <a href="../qt_and_c++/dynamic_data.html">
            
                    
                    动态数据（Dynamic Data）
            
                </a>
            

            
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        <li class="chapter " data-level="1.16.5.4" data-path="../qt_and_c++/advanced_techniques.html">
            
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                    进阶技巧（Advanced Techniques）
            
                </a>
            

            
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        <li class="chapter " data-level="1.17" data-path="../extending_qml_with_c++/">
            
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                    C++扩展QML（Extending QML with C++）
            
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        <li class="chapter " data-level="1.17.1" data-path="../extending_qml_with_c++/understanding_the_qml_run-time.html">
            
                <a href="../extending_qml_with_c++/understanding_the_qml_run-time.html">
            
                    
                    理解QML运行环境（Understanding the QML Run-time）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.2" data-path="../extending_qml_with_c++/plugin_content.html">
            
                <a href="../extending_qml_with_c++/plugin_content.html">
            
                    
                    插件内容（Plugin Content）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.3" data-path="../extending_qml_with_c++/creating_the_plugin.html">
            
                <a href="../extending_qml_with_c++/creating_the_plugin.html">
            
                    
                    创建插件（Creating the plugin）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.4" data-path="../extending_qml_with_c++/fileio_implementation.html">
            
                <a href="../extending_qml_with_c++/fileio_implementation.html">
            
                    
                    FileIO实现（FileIO Implementation）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5" data-path="../extending_qml_with_c++/using_fileio.html">
            
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                    使用FileIO（Using FileIO）
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.17.5.1" data-path="../extending_qml_with_c++/the_application_window.html">
            
                <a href="../extending_qml_with_c++/the_application_window.html">
            
                    
                    应用程序窗口（The Application Window）
            
                </a>
            

            
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        <li class="chapter " data-level="1.17.5.2" data-path="../extending_qml_with_c++/using_actions.html">
            
                <a href="../extending_qml_with_c++/using_actions.html">
            
                    
                    使用动作（Using Actions）
            
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        <li class="chapter " data-level="1.17.5.3" data-path="../extending_qml_with_c++/formatting_the_table.html">
            
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                    格式化表格（Formatting the Table）
            
                </a>
            

            
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        <li class="chapter " data-level="1.17.5.4" data-path="../extending_qml_with_c++/reading_data.html">
            
                <a href="../extending_qml_with_c++/reading_data.html">
            
                    
                    读取数据（Reading Data）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5.5" data-path="../extending_qml_with_c++/writing_data.html">
            
                <a href="../extending_qml_with_c++/writing_data.html">
            
                    
                    写入数据（Writing Data）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.5.6" data-path="../extending_qml_with_c++/finishing_touch.html">
            
                <a href="../extending_qml_with_c++/finishing_touch.html">
            
                    
                    收尾工作（Finishing Touch）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.17.6" data-path="../extending_qml_with_c++/summary.html">
            
                <a href="../extending_qml_with_c++/summary.html">
            
                    
                    总结（Summary）
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.18" data-path="../other/">
            
                <a href="../other/">
            
                    
                    其它（Other）
            
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        <li class="chapter " data-level="1.18.1" data-path="../other/assets.html">
            
                <a href="../other/assets.html">
            
                    
                    示例源码
            
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        <li class="chapter " data-level="1.18.2" data-path="../other/enginsh_to_chinses.html">
            
                <a href="../other/enginsh_to_chinses.html">
            
                    
                    术语英汉对照表
            
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        <li class="chapter " data-level="1.18.3" data-path="../other/book_format.html">
            
                <a href="../other/book_format.html">
            
                    
                    格式定义
            
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        <li class="chapter " data-level="1.18.4" data-path="../other/collaboration_correction.html">
            
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                    协作校正
            
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<p>&#x6211;&#x4EEC;&#x5DF2;&#x7ECF;&#x770B;&#x5230;&#x4E86;&#x7C92;&#x5B50;&#x7684;&#x65CB;&#x8F6C;&#xFF0C;&#x4F46;&#x662F;&#x6211;&#x4EEC;&#x7684;&#x7C92;&#x5B50;&#x9700;&#x8981;&#x4E00;&#x4E2A;&#x8F68;&#x8FF9;&#x3002;&#x8F68;&#x8FF9;&#x7531;&#x901F;&#x5EA6;&#x6216;&#x8005;&#x7C92;&#x5B50;&#x968F;&#x673A;&#x65B9;&#x5411;&#x7684;&#x52A0;&#x901F;&#x5EA6;&#x6307;&#x5B9A;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x53EB;&#x505A;&#x77E2;&#x91CF;&#x7A7A;&#x95F4;&#x3002;</p>
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<li><p>&#x89D2;&#x5EA6;&#x65B9;&#x5411;&#xFF08;AngleDirection&#xFF09;- &#x4F7F;&#x7528;&#x89D2;&#x5EA6;&#x7684;&#x65B9;&#x5411;&#x53D8;&#x5316;&#x3002;</p>
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<li><p>&#x70B9;&#x65B9;&#x5411;&#xFF08;PointDirection&#xFF09;-  &#x4F7F;&#x7528;x,y&#x7EC4;&#x4EF6;&#x7EC4;&#x6210;&#x7684;&#x65B9;&#x5411;&#x53D8;&#x5316;&#x3002;</p>
</li>
<li><p>&#x76EE;&#x6807;&#x65B9;&#x5411;&#xFF08;TargetDirection&#xFF09;- &#x671D;&#x7740;&#x76EE;&#x6807;&#x70B9;&#x7684;&#x65B9;&#x5411;&#x53D8;&#x5316;&#x3002;</p>
</li>
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<p><img src="http://qmlbook.org/_images/particle_directions.png" alt=""></p>
<p>&#x8BA9;&#x6211;&#x4EEC;&#x5728;&#x573A;&#x666F;&#x4E0B;&#x8BD5;&#x7740;&#x7528;&#x901F;&#x5EA6;&#x65B9;&#x5411;&#x5C06;&#x7C92;&#x5B50;&#x4ECE;&#x5DE6;&#x8FB9;&#x79FB;&#x52A8;&#x5230;&#x53F3;&#x8FB9;&#x3002;</p>
<p>&#x9996;&#x5148;&#x4F7F;&#x7528;&#x89D2;&#x5EA6;&#x65B9;&#x5411;&#xFF08;AngleDirection&#xFF09;&#x3002;&#x6211;&#x4EEC;&#x4F7F;&#x7528;AngleDirection&#x5143;&#x7D20;&#x4F5C;&#x4E3A;&#x6211;&#x4EEC;&#x7684;&#x53D1;&#x5C04;&#x5668;&#xFF08;Emitter&#xFF09;&#x7684;&#x901F;&#x5EA6;&#x5C5E;&#x6027;&#xFF1A;</p>
<pre><code>velocity: AngleDirection { }
</code></pre><p>&#x7C92;&#x5B50;&#x7684;&#x53D1;&#x5C04;&#x5C06;&#x4F1A;&#x4F7F;&#x7528;&#x6307;&#x5B9A;&#x7684;&#x89D2;&#x5EA6;&#x5C5E;&#x6027;&#x3002;&#x89D2;&#x5EA6;&#x503C;&#x5728;0&#x5230;360&#x5EA6;&#x4E4B;&#x95F4;&#xFF0C;0&#x5EA6;&#x4EE3;&#x8868;&#x6307;&#x5411;&#x53F3;&#x8FB9;&#x3002;&#x5728;&#x6211;&#x4EEC;&#x7684;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x4F8B;&#x5B50;&#x5C06;&#x4F1A;&#x79FB;&#x52A8;&#x5230;&#x53F3;&#x8FB9;&#xFF0C;&#x6240;&#x4EE5;0&#x5EA6;&#x5DF2;&#x7ECF;&#x6307;&#x5411;&#x53F3;&#x8FB9;&#x65B9;&#x5411;&#x3002;&#x7C92;&#x5B50;&#x7684;&#x89D2;&#x5EA6;&#x53D8;&#x5316;&#x5728;+/-15&#x5EA6;&#x4E4B;&#x95F4;&#xFF1A;</p>
<pre><code>velocity: AngleDirection {
    angle: 0
    angleVariation: 15
}
</code></pre><p>&#x73B0;&#x5728;&#x6211;&#x4EEC;&#x5DF2;&#x7ECF;&#x8BBE;&#x7F6E;&#x4E86;&#x65B9;&#x5411;&#xFF0C;&#x4E0B;&#x9762;&#x662F;&#x6307;&#x5B9A;&#x7C92;&#x5B50;&#x7684;&#x901F;&#x5EA6;&#x3002;&#x5B83;&#x7531;&#x4E00;&#x4E2A;&#x68AF;&#x5EA6;&#x503C;&#x5B9A;&#x4E49;&#xFF0C;&#x8FD9;&#x4E2A;&#x68AF;&#x5EA6;&#x503C;&#x5B9A;&#x4E49;&#x4E86;&#x6BCF;&#x79D2;&#x50CF;&#x7D20;&#x7684;&#x53D8;&#x5316;&#x3002;&#x6B63;&#x5982;&#x6211;&#x4EEC;&#x8BBE;&#x7F6E;&#x5927;&#x7EA6;640&#x50CF;&#x7D20;&#xFF0C;&#x68AF;&#x5EA6;&#x503C;&#x4E3A;100&#xFF0C;&#x770B;&#x8D77;&#x6765;&#x662F;&#x4E00;&#x4E2A;&#x4E0D;&#x9519;&#x7684;&#x503C;&#x3002;&#x8FD9;&#x610F;&#x5473;&#x7740;&#x5E73;&#x5747;&#x4E00;&#x4E2A;6.4&#x79D2;&#x751F;&#x547D;&#x5468;&#x671F;&#x7684;&#x7C92;&#x5B50;&#x53EF;&#x4EE5;&#x7A7F;&#x8D8A;&#x6211;&#x4EEC;&#x770B;&#x5230;&#x7684;&#x533A;&#x57DF;&#x3002;&#x4E3A;&#x4E86;&#x8BA9;&#x7C92;&#x5B50;&#x7684;&#x7A7F;&#x8D8A;&#x770B;&#x8D77;&#x6765;&#x66F4;&#x52A0;&#x6709;&#x8DA3;&#xFF0C;&#x6211;&#x4EEC;&#x4F7F;&#x7528;magnitudeVariation&#x6765;&#x8BBE;&#x7F6E;&#x68AF;&#x5EA6;&#x503C;&#x7684;&#x53D8;&#x5316;&#xFF0C;&#x8FD9;&#x4E2A;&#x503C;&#x662F;&#x6211;&#x4EEC;&#x7684;&#x68AF;&#x5EA6;&#x503C;&#x7684;&#x4E00;&#x534A;&#xFF1A;</p>
<pre><code>velocity: AngleDirection {
    ...
    magnitude: 100
    magnitudeVariation: 50
}
</code></pre><p><img src="http://qmlbook.org/_images/angledirection.png" alt=""></p>
<p>&#x4E0B;&#x9762;&#x662F;&#x5B8C;&#x6574;&#x7684;&#x6E90;&#x7801;&#xFF0C;&#x5E73;&#x5747;&#x7684;&#x751F;&#x547D;&#x5468;&#x671F;&#x88AB;&#x8BBE;&#x7F6E;&#x4E3A;6..4&#x79D2;&#x3002;&#x6211;&#x4EEC;&#x8BBE;&#x7F6E;&#x53D1;&#x5C04;&#x5668;&#x7684;&#x5BBD;&#x5EA6;&#x548C;&#x9AD8;&#x5EA6;&#x4E3A;1&#x4E2A;&#x50CF;&#x7D20;&#xFF0C;&#x8FD9;&#x610F;&#x5473;&#x7740;&#x6240;&#x6709;&#x7684;&#x7C92;&#x5B50;&#x90FD;&#x4ECE;&#x76F8;&#x540C;&#x7684;&#x4F4D;&#x7F6E;&#x53D1;&#x5C04;&#x51FA;&#x53BB;&#xFF0C;&#x7136;&#x540E;&#x57FA;&#x4E8E;&#x6211;&#x4EEC;&#x7ED9;&#x5B9A;&#x7684;&#x8F68;&#x8FF9;&#x8FD0;&#x52A8;&#x3002;</p>
<pre><code>    Emitter {
        id: emitter
        anchors.left: parent.left
        anchors.verticalCenter: parent.verticalCenter
        width: 1; height: 1
        system: particleSystem
        lifeSpan: 6400
        lifeSpanVariation: 400
        size: 32
        velocity: AngleDirection {
            angle: 0
            angleVariation: 15
            magnitude: 100
            magnitudeVariation: 50
        }
    }
</code></pre><p>&#x90A3;&#x4E48;&#x52A0;&#x901F;&#x5EA6;&#x505A;&#x4E9B;&#x4EC0;&#x4E48;&#xFF1F;&#x52A0;&#x901F;&#x5EA6;&#x662F;&#x6BCF;&#x4E2A;&#x7C92;&#x5B50;&#x52A0;&#x901F;&#x5EA6;&#x77E2;&#x91CF;&#xFF0C;&#x5B83;&#x4F1A;&#x5728;&#x8FD0;&#x52A8;&#x7684;&#x65F6;&#x95F4;&#x4E2D;&#x6539;&#x53D8;&#x901F;&#x5EA6;&#x77E2;&#x91CF;&#x3002;&#x4F8B;&#x5982;&#x6211;&#x4EEC;&#x505A;&#x4E00;&#x4E2A;&#x661F;&#x661F;&#x6309;&#x7167;&#x5F27;&#x5F62;&#x8FD0;&#x52A8;&#x7684;&#x8F68;&#x8FF9;&#x3002;&#x6211;&#x4EEC;&#x5C06;&#x4F1A;&#x6539;&#x53D8;&#x6211;&#x4EEC;&#x7684;&#x901F;&#x5EA6;&#x65B9;&#x5411;&#x4E3A;-45&#x5EA6;&#xFF0C;&#x7136;&#x540E;&#x79FB;&#x9664;&#x53D8;&#x91CF;&#xFF0C;&#x53EF;&#x4EE5;&#x5F97;&#x5230;&#x4E00;&#x4E2A;&#x66F4;&#x8FDE;&#x8D2F;&#x7684;&#x5F27;&#x5F62;&#x8F68;&#x8FF9;&#xFF1A;</p>
<pre><code>velocity: AngleDirection {
    angle: -45
    magnitude: 100
}
</code></pre><p>&#x52A0;&#x901F;&#x5EA6;&#x7684;&#x65B9;&#x5411;&#x4E3A;90&#x5EA6;&#xFF08;&#x5411;&#x4E0B;&#xFF09;&#xFF0C;&#x52A0;&#x901F;&#x5EA6;&#x4E3A;&#x901F;&#x5EA6;&#x7684;&#x56DB;&#x5206;&#x4E4B;&#x4E00;&#xFF1A;</p>
<pre><code>acceleration: AngleDirection {
    angle: 90
    magnitude: 25
}
</code></pre><p>&#x7ED3;&#x679C;&#x662F;&#x4E2D;&#x95F4;&#x5DE6;&#x65B9;&#x5230;&#x53F3;&#x4E0B;&#x7684;&#x4E00;&#x4E2A;&#x5F27;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/angledirection2.png" alt="">
&#x8FD9;&#x4E2A;&#x503C;&#x662F;&#x5728;&#x4E0D;&#x65AD;&#x7684;&#x5C1D;&#x8BD5;&#x4E0E;&#x9519;&#x8BEF;&#x4E2D;&#x53D1;&#x73B0;&#x7684;&#x3002;</p>
<p>&#x4E0B;&#x9762;&#x662F;&#x53D1;&#x5C04;&#x5668;&#x5B8C;&#x6574;&#x7684;&#x4EE3;&#x7801;&#x3002;</p>
<pre><code>    Emitter {
        id: emitter
        anchors.left: parent.left
        anchors.verticalCenter: parent.verticalCenter
        width: 1; height: 1
        system: particleSystem
        emitRate: 10
        lifeSpan: 6400
        lifeSpanVariation: 400
        size: 32
        velocity: AngleDirection {
            angle: -45
            angleVariation: 0
            magnitude: 100
        }
        acceleration: AngleDirection {
            angle: 90
            magnitude: 25
        }
    }
</code></pre><p>&#x5728;&#x4E0B;&#x4E00;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x4F7F;&#x7528;&#x70B9;&#x65B9;&#x5411;&#xFF08;PointDirection&#xFF09;&#x77E2;&#x91CF;&#x7A7A;&#x95F4;&#x6765;&#x518D;&#x4E00;&#x6B21;&#x6F14;&#x793A;&#x7C92;&#x5B50;&#x4ECE;&#x5DE6;&#x5230;&#x53F3;&#x7684;&#x8FD0;&#x52A8;&#x3002;</p>
<p>&#x4E00;&#x4E2A;&#x70B9;&#x65B9;&#x5411;&#xFF08;PointDirection&#xFF09;&#x662F;&#x7531;x&#x548C;y&#x7EC4;&#x4EF6;&#x7EC4;&#x6210;&#x7684;&#x77E2;&#x91CF;&#x7A7A;&#x95F4;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x5982;&#x679C;&#x4F60;&#x60F3;&#x7C92;&#x5B50;&#x4EE5;45&#x5EA6;&#x7684;&#x77E2;&#x91CF;&#x8FD0;&#x52A8;&#xFF0C;&#x4F60;&#x9700;&#x8981;&#x4E3A;x&#xFF0C;y&#x6307;&#x5B9A;&#x76F8;&#x540C;&#x7684;&#x503C;&#x3002;</p>
<p>&#x5728;&#x6211;&#x4EEC;&#x7684;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5E0C;&#x671B;&#x7C92;&#x5B50;&#x5728;&#x4ECE;&#x5DE6;&#x5230;&#x53F3;&#x7684;&#x4F8B;&#x5B50;&#x4E2D;&#x5EFA;&#x7ACB;&#x4E00;&#x4E2A;15&#x5EA6;&#x7684;&#x5706;&#x9525;&#x3002;&#x6211;&#x4EEC;&#x6307;&#x5B9A;&#x4E00;&#x4E2A;&#x5750;&#x6807;&#x65B9;&#x5411;&#xFF08;PointDirection&#xFF09;&#x4F5C;&#x4E3A;&#x6211;&#x4EEC;&#x901F;&#x5EA6;&#x77E2;&#x91CF;&#x7A7A;&#x95F4;&#xFF1A;</p>
<pre><code>velocity: PointDirection { }
</code></pre><p>&#x4E3A;&#x4E86;&#x8FBE;&#x5230;&#x8FD0;&#x52A8;&#x901F;&#x5EA6;&#x6BCF;&#x79D2;100&#x4E2A;&#x50CF;&#x7D20;&#xFF0C;&#x6211;&#x4EEC;&#x8BBE;&#x7F6E;x&#x4E3A;100,&#x3002;15&#x5EA6;&#x89D2;&#xFF08;90&#x5EA6;&#x7684;1/6&#xFF09;,&#x6211;&#x4EEC;&#x6307;&#x5B9A;y&#x53D8;&#x91CF;&#x4E3A;100/6&#xFF1A;</p>
<pre><code>velocity: PointDirection {
    x: 100
    y: 0
    xVariation: 0
    yVariation: 100/6
}
</code></pre><p>&#x7ED3;&#x679C;&#x662F;&#x7C92;&#x5B50;&#x7684;&#x8FD0;&#x52A8;&#x4ECE;&#x5DE6;&#x5230;&#x53F3;&#x6784;&#x6210;&#x4E86;&#x4E00;&#x4E2A;15&#x5EA6;&#x7684;&#x5706;&#x9525;&#x3002;</p>
<p><img src="http://qmlbook.org/_images/pointdirection.png" alt=""></p>
<p>&#x73B0;&#x5728;&#x662F;&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x65B9;&#x6848;&#xFF0C;&#x76EE;&#x6807;&#x65B9;&#x5411;&#xFF08;TargetDirection&#xFF09;&#x3002;&#x76EE;&#x6807;&#x65B9;&#x5411;&#x5141;&#x8BB8;&#x6211;&#x4EEC;&#x6307;&#x5B9A;&#x53D1;&#x5C04;&#x5668;&#x6216;&#x8005;&#x4E00;&#x4E2A;QML&#x9879;&#x7684;x,y&#x5750;&#x6807;&#x503C;&#x3002;&#x5F53;&#x4E00;&#x4E2A;QML&#x9879;&#x7684;&#x4E2D;&#x5FC3;&#x70B9;&#x6210;&#x4E3A;&#x4E00;&#x4E2A;&#x76EE;&#x6807;&#x70B9;&#x65F6;&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x6307;&#x5B9A;&#x76EE;&#x6807;&#x53D8;&#x5316;&#x503C;&#x662F;x&#x76EE;&#x6807;&#x503C;&#x7684;1/6&#x6765;&#x5B8C;&#x6210;&#x4E00;&#x4E2A;15&#x5EA6;&#x7684;&#x5706;&#x9525;&#xFF1A;</p>
<pre><code>velocity: TargetDirection {
    targetX: 100
    targetY: 0
    targetVariation: 100/6
    magnitude: 100
}
</code></pre><p><strong>&#x6CE8;&#x610F;</strong></p>
<p><strong>&#x5F53;&#x4F60;&#x671F;&#x671B;&#x53D1;&#x5C04;&#x7C92;&#x5B50;&#x671D;&#x7740;&#x6307;&#x5B9A;&#x7684;x,y&#x5750;&#x6807;&#x503C;&#x6D41;&#x52A8;&#x65F6;&#xFF0C;&#x76EE;&#x6807;&#x65B9;&#x5411;&#x662F;&#x975E;&#x5E38;&#x597D;&#x7684;&#x65B9;&#x6848;&#x3002;</strong></p>
<p>&#x6211;&#x6CA1;&#x6709;&#x518D;&#x8D34;&#x51FA;&#x7ED3;&#x679C;&#x56FE;&#xFF0C;&#x56E0;&#x4E3A;&#x5B83;&#x4E0E;&#x524D;&#x4E00;&#x4E2A;&#x7ED3;&#x679C;&#x76F8;&#x540C;&#xFF0C;&#x53D6;&#x800C;&#x4EE3;&#x4E4B;&#x7684;&#x6709;&#x4E00;&#x4E2A;&#x95EE;&#x9898;&#x7559;&#x7ED9;&#x4F60;&#x3002;</p>
<p>&#x5728;&#x4E0B;&#x56FE;&#x7684;&#x7EA2;&#x8272;&#x548C;&#x7EFF;&#x8272;&#x5706;&#x6307;&#x5B9A;&#x6BCF;&#x4E2A;&#x76EE;&#x6807;&#x9879;&#x7684;&#x76EE;&#x6807;&#x65B9;&#x5411;&#x901F;&#x5EA6;&#x7684;&#x52A0;&#x901F;&#x5C5E;&#x6027;&#x3002;&#x6BCF;&#x4E2A;&#x76EE;&#x6807;&#x65B9;&#x5411;&#x6709;&#x76F8;&#x540C;&#x7684;&#x53C2;&#x6570;&#x3002;&#x90A3;&#x4E48;&#x54EA;&#x4E00;&#x4E2A;&#x8D1F;&#x8D23;&#x901F;&#x5EA6;&#xFF0C;&#x54EA;&#x4E00;&#x4E2A;&#x8D1F;&#x8D23;&#x52A0;&#x901F;&#x5EA6;&#xFF1F;</p>
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